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| Mirrors > Home > MPE Home > Th. List > pnrmtop | Structured version Visualization version GIF version | ||
| Description: A perfectly normal space is a topological space. (Contributed by Mario Carneiro, 26-Aug-2015.) |
| Ref | Expression |
|---|---|
| pnrmtop | ⊢ (𝐽 ∈ PNrm → 𝐽 ∈ Top) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pnrmnrm 23571 | . 2 ⊢ (𝐽 ∈ PNrm → 𝐽 ∈ Nrm) | |
| 2 | nrmtop 23567 | . 2 ⊢ (𝐽 ∈ Nrm → 𝐽 ∈ Top) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝐽 ∈ PNrm → 𝐽 ∈ Top) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 Topctop 23124 Nrmcnrm 23541 PNrmcpnrm 23543 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-mpt 5191 df-cnv 5667 df-dm 5669 df-rn 5670 df-iota 6493 df-fv 6545 df-ov 7420 df-nrm 23548 df-pnrm 23550 |
| This theorem is used by: pnrmopn 23574 |
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